just keep the growing space open and have a fan in there. CO2 is too pricey.
godsbackyard Reviewed by godsbackyard on . why c02's? do your plant's have to have it? How do your plant's benafit from it? this thread well help a lot of new grower's... just a small brake down. thk.s THE KING PS:good luck in all you grow.. Rating: 5